expand_2r #14
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expand_2r #14
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Exand 2r for GSVD, might not need to be merged, just for review and discuss some new variants. |
timholy
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Apr 25, 2025
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This seems reasonable. I assume it's just a start, since it's not connected to anything else?
| U0, S0, V0 = U0[:,1:n], S0[1:n], V0[:,1:n] | ||
| Hadd, Λ = init_H(U0, S0, V0, W0, H0, kadd) | ||
| Wadd, a = init_W(X, W0, H0, Hadd) | ||
| Wadd, a = init_W(X, W0, H0, Hadd) |
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trailing whitespace. You can set vscode to delete it automatically: https://www.codexcafe.com/blog/remove-trailing-whitespace/
| # @show cs | ||
| W0_2, H0_2 = repeat(cs', m, 1).*W0_1, H0_1 | ||
| # W0_2, H0_2 = W0_1, H0_1 | ||
| return abs.(W0_2), abs.(H0_2), Λ |
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Why is the abs needed? If it has tiny negative values, would max.(0, W0_2) be more appropriate? abs nominally runs the risk of turning a large negative number positive.
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